Twin Tree Management’s Penumbra PEN Stock Holding History

Twin Tree Management’s Portfolio PEN Stock Details PEN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-4,265	Closed	-$1.09M	–	1761
2025 Q2	$1.09M	Sell	4,265 -6,896	-62%	-$1.88M	﹤0.01%	1348
2025 Q1	$2.98M	Buy	11,161 +2,950	+36%	+$798K	0.01%	1050
2024 Q4	$1.95M	Buy	+8,211	New	+$1.87M	﹤0.01%	1155
2023 Q4	–	Sell	-221	Closed	-$48.9K	–	1539
2023 Q3	$53.5K	Sell	221 -13,833	-98%	-$3.84M	﹤0.01%	1122
2023 Q2	$4.84M	Buy	+14,054	New	+$4.32M	0.01%	758
2022 Q4	–	Sell	-3,310	Closed	-$628K	–	1490
2022 Q3	$628K	Sell	3,310 -83,458	-96%	-$13.4M	﹤0.01%	1104
2022 Q2	$10.8M	Buy	86,768 +82,540	+1,952%	+$13.1M	0.02%	622
2022 Q1	$939K	Buy	+4,228	New	+$939K	﹤0.01%	1291
2021 Q3	–	Sell	-509	Closed	-$139K	–	1723
2021 Q2	$139K	Sell	509 -3,457	-87%	-$943K	﹤0.01%	1207
2021 Q1	$1.07M	Buy	+3,966	New	+$1.02M	﹤0.01%	951
2020 Q2	–	Sell	-2,190	Closed	-$353K	–	1649
2020 Q1	$353K	Buy	+2,190	New	+$369K	﹤0.01%	1010
2019 Q2	–	Sell	-52	Closed	-$7.51K	–	1486
2019 Q1	$8K	Buy	+52	New	+$7.43K	﹤0.01%	1198

Other funds holding PEN

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return

RTW Investments New York $10B AUM 135.35% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

ClearBridge Investments New York $115B AUM 24.78% 1-Year Est. Return

Twin Tree Management's PEN Position: Q3 2025 in Review

Twin Tree Management sold out of Penumbra (PEN) in Q3 2025, closing a stake of 4,265 shares — an estimated $1.09M sold.

Twin Tree Management first reported a position in PEN in Q1 2019 and held it in 12 quarters. The position peaked at $10.8M in Q2 2022. 420 funds tracked by Wall St. Rank hold PEN as of Q3 2025.

Twin Tree Management reported no remaining Penumbra position as of Q3 2025 after selling out during the quarter.
Twin Tree Management sold 4,265 Penumbra shares in Q3 2025, an estimated $1.09M.
Twin Tree Management first reported a position in Penumbra in Q1 2019 and held it in 12 quarters.
Twin Tree Management's Penumbra position peaked at $10.8M in Q2 2022.
420 funds tracked by Wall St. Rank held Penumbra as of Q3 2025.

Based on Twin Tree Management's 13F filing for Q3 2025, filed 13 Nov 2025.